Add testing functionality

include/utils.h

+#ifndef MYSH_UTILS_H_
+#define MYSH_UTILS_H_
+
+void mysh_parse_command(const char* command,
+                        int *argc, char** argv);
+
+#endif // MYSH_UTILS_H_

src/main.c

+int main()
+{
+  return 0;
+}

src/utils.c

+#include "utils.h"
+
+void mysh_parse_command(const char* command,
+                        int *argc, char** argv)
+{
+  // TODO: Fill this!
+}

tests/src/command_parsing_test.cc

+extern "C" {
+#include "utils.h"
+}
+
 #include "gtest/gtest.h"
 
-TEST(CommandParsingTest, Basic) {
-  EXPECT_EQ(1, 1);
+#include <stdlib.h>
+
+TEST(CommandParsingTest, BasicCommand) {
+  char** argv;
+  int argc = -1;
+
+  argv = (char**)malloc(2);
+  for (int i = 0; i < 2; ++i) {
+    argv[i] = (char*)malloc(512);
+  }
+
+  mysh_parse_command("cd test", &argc, argv);
+
+  EXPECT_EQ(argc, 2);
+  EXPECT_STREQ(argv[0], "cd");
+  EXPECT_STREQ(argv[1], "test");
+
+  for (int i = 0; i < 2; ++i) {
+    free(argv[i]);
+  }
+  free(argv);
 }